CSC231 Bitwise Logical Operators in Java

--D. Thiebaut 23:38, 9 October 2012 (EDT)

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Source

public class Demo1 {
	final static byte START  = 0x01;
	final static byte PHASE1 = 0x02;
	final static byte PHASE2 = 0x04;
	final static byte PHASE3 = 0x08;
	final static byte DONE   = 0x10;
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		byte status = START;
		System.out.println( "Status = " + String.format( "%8s", Integer.toBinaryString(status) ).replace(' ', '0') );
		
		for ( int i = 0; i< 100; i++ ) {
			if ( Math.random() < 0.1 ) status = (byte) (status | PHASE1);
			else if ( Math.random() < 0.1 ) status = (byte) (status ^ PHASE1);
			else if ( Math.random() < 0.1 ) status = (byte) (status ^ PHASE2);
			else if ( Math.random() < 0.1 ) status = (byte) (status ^ PHASE3);
			else if ( Math.random() < 0.1 ) status = (byte) (status ^ DONE);
			System.out.println( "Status = " + String.format( "%8s", Integer.toBinaryString(status) ).replace(' ', '0') );
			if ( (status & DONE) != 0) 
				break;
		}
		
	}

}

Example of Output

Status = 00000001
Status = 00000001
Status = 00000001
Status = 00000001
Status = 00000001
Status = 00000001
Status = 00000011 
Status = 00001011
Status = 00001011
Status = 00001011
Status = 00011011